OpenTechnical

OT-2026-000018541

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000018541) never changes.

Identity and time

Publication numberOT-2026-000018541 · never reused
Internal UUID01a0ae6e-b48a-7425-aa97-0104b0df4d6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018541
StatusPUBLIC

Content hashes

Canonical text11a5265db09073c25d2a40fcd2462a288cdf5737886d72c4ffff233e06a50381
Markdown552d8b8c775e01d63b81277be35ac6c241a691687a91f21a7fcc22ab2da59821
PDF
Publication page9c1f6dd4ab7eb8dabde843797610d0d79284cc00d28c84308f147d8e2060eccd
Manifestdb339c65d012267d25c5deb541c64c4e8b50008aa2dcffcfbc1c7eada0f89eb2

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureGC2bJZAjY/3IgOjDk3o/oNC4V5PoQSuX5mMwmglm5MJYbhRPvYUnBRlS4dGvoooaZLdIeQEs14Fb2Up7yGWmDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:19.226405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018541
observed 9c1f6dd4ab7eb8dabde843797610d0d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:19.209102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018541/manifest.json
observed db339c65d012267d25c5deb541c64c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:19.190573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018541/publication.md
observed 552d8b8c775e01d63b81277be35ac6c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:19.172551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018541/publication.txt
observed 11a5265db09073c25d2a40fcd2462a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.